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Feature
Options
Description
Package C State Undemotion
Disabled
Enabled
Configure C-State Un-demotion.
CState Pre-Wake
Disabled
Enabled
Disable this feature to set bit 30 of POWER_CTL MSR(0x1FC) to 1, disabling the Cstate Pre-Wake.
Package C State Limit
C0/C1
C2
C3
C6
C7
C7s
C8
C9
C10
AUTO
Package C state limit.
CFG Lock
Disabled
Enabled
Configure MSR 0xE2[15], CFG lock bit.
►
Power Limit 3 Settings
Submenu
Power Limit 3 Override
Disabled
Enabled
Enable or disable power limit 3 override.
If this feature is disabled, BIOS will keep the default values for ‘Power Limit 3’ and ‘Power ‘Limit 3 Time’.
CPU Power Limit 3
0
(more values)
Set CPU power limit 3 value.
CPU Power Limit 3 Time
0
(more values)
Set time window in which the PowerLimit 3 is maintained.
CPU Power Limit 3 Duty Cycle
0
(more values)
Specify the duty cycle (in percentage) the CPU is required to maintain over the configured power limit 3 time
windows.
Power Limit 3 Lock
Disabled
Enabled
‘Enable’ - Locks PL3 configuration in the operating system.
‘Disable’ - Allows PL3 configurations in the operating system.
►
Power Limit 4 Settings
Submenu
Power Limit 4 Override
Disabled
Enabled
If this feature is disabled, BIOS will keep the default values for Power Limit 4.
Power Limit 4
0
(more values)
Select power limit 4 in in 125mW steps. ‘0’ sets the default value.
Power Limit 4 Lock
Disabled
Enabled
Enable or disable power limit 4 MSR 601h lock.
‘Enable’ - Locks PL4 configuration in the operating system.
‘Disable’ - Allows PL4 configurations in the operating system.
►
CPU Thermal Configuration
Submenu
CPU DTS
Disabled
Enabled
‘Disabled’ - ACPI thermal management uses EC reported temperature values.
‘Enabled’ - ACPI thermal management uses DTS SMM mechanism to obtain CPU temperature values.
‘Out of Spec’ - ACPI Thermal Management uses EC reported temperature values and DTS SMM is used to handle
Out of Spec.
TCC Activation Offset
0
(more values)
Set the offset from the Intel
®
factory Thermal Control Circuit (TCC) activation temperature.
For example: If the factory TCC activation temperature is 100C, enter 10 to activate TCC at 90C.
Note:
TCC activation will lower CPU core and graphics core frequency, voltage or both.